Home / 9,072,001.90-13,608,002.85-7,702,065.10

Finding the Fourth Proportional to 9,072,001.90, 13,608,002.85 and 7,702,065.10

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Solution

The fourth proportional to 9,072,001.90, 13,608,002.85 and 7,702,065.10 is: 11,553,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,001.90 : 13,608,002.85 = 7,702,065.10 : x
  2. Step 2: Convert to fraction form
    9,072,001.90/13,608,002.85 = 7,702,065.10/x
  3. Step 3: Cross multiply
    9,072,001.90x = 13,608,002.85 × 7,702,065.10
  4. Step 4: Simplify right side
    9,072,001.90x = 104,809,723,831,685.53
  5. Step 5: Solve for x
    x = 104,809,723,831,685.53/9,072,001.90
  6. Step 6: Final answer
    x = 11,553,097.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.